Do any of you have the diagrams for the HEI upgrade? My Chilton book puts
the ignition control module where there is nothing. Picture the book gives
doesn't look like anything under the hood of my 88 YJ. The "directions" the
supplier sent are a watered down version of someone else's vague write up.
The CJ5 and 7's the conversions were done on had way different wiring and
connections. Any current, detailed write ups for an 88YJ withe the 258 6I
would be very helpful.

Earle Horton wrote:
>For a longer lasting solution, rubber corks from a chemical supply house.
>;^)
>
>It's funny; I used to work on automobiles full time in the seventies, right
>when the pollution controls all came out. After working on a few vehicles I
>figured, along with a lot of other mechanics, that the damn things didn't do
>anything except make the cars run more poorly and use more fuel. Except the
>PCV, of course, don't disconnect that. A big laugh was the attempt to use
>higher (numerically lower) gear ratios in an attempt to increase fuel
>mileage (kilometerage north of the border). The Dodge dealer where I worked
>did a healthy business in axle ratio changes, in order to restore a
>semblance of performance and economy to his customer's vehicles.
>
>Now with fuel injection this is all theoretically "better", but as Mike
>likes to say a properly tuned carburetor performs quite nicely too.
>
>Earle
>
>> Someone else just had the same problem in a 258 YJ and after figuring
>> his PCV system was likely working ok, the diagnosis appeared to be a bad
>[quoted text clipped - 42 lines]
>> > Message posted via CarKB.com
>> > http://www.carkb.com/Uwe/Forums.aspx/jeep-cars/200612/1

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http://www.carkb.com/Uwe/Forums.aspx/jeep-cars/200612/1